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Acquisition - Allocation of Acquired Intangible Assets and Related Estimates of Useful Lives (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended
	Mar. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 2,806
Current Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	2,208
Estimated useful life of finite lived intangible assets	9 years
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 598
Estimated useful life of finite lived intangible assets	3 years

X

- Details

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

+ References

No definition available.

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